#C63A29#C63A29

#C63A29 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.4% C 0.180 H 30.4°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#C63A29
RGB	rgb(198, 58, 41)
HSL	hsl(6, 66%, 47%)
HSV	hsv(6, 79%, 78%)
CMYK	cmyk(0%, 70.7%, 79.3%, 22.4%)
CIE-LAB	lab(45.90, 54.42, 41.93)
CIE-LCH	lch(45.90, 68.69, 37.61°)
OKLab	oklab(55.45% 0.1548 0.091)
OKLCH	oklch(55.45% 0.18 30.4)
XYZ	xyz(25.2049, 15.1958, 3.7033)
Luminance	0.1519 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63A29 #29B5C6

analogous

#C62967 #C63A29 #C68929

triadic

#C63A29 #29C63A #3A29C6

tetradic

#C63A29 #67C629 #29B5C6 #8929C6

square

#C63A29 #67C629 #29B5C6 #8929C6

split-complementary

#C63A29 #29C689 #2967C6

monochromatic

#611C14 #932B1F #C63A29 #DB6051 #E68E84

Accessibility & contrast

On white

5.20

#C63A29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#C63A29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63A29

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63A29	#FFFFFF	#000000	##FFFFFF
##C63A29	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635926

Deuteranopia (green-blind)

#867823

Tritanopia (blue-blind)

#DA0037

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c63a29;
/* rgb */ color: rgb(198, 58, 41);
/* oklch */ color: oklch(55.4% 0.180 30.4);

Tailwind

colors: {
  custom: {
    50: '#e07964',
    500: '#c63a29',
    950: '#000000',
  },
}

SCSS

$custom: #c63a29;
$custom-light: #e07964;
$custom-dark: #000000;

JSON

{
  "hex": "#c63a29",
  "rgb": {
    "r": 198,
    "g": 58,
    "b": 41
  },
  "hsl": {
    "h": 6.497,
    "s": 65.69,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55448,
    "c": 0.17956,
    "h": 30.4
  },
  "luminance": 0.15192
}

Semantic roles & 50–950 ramp

primary

#C63A29

secondary

#7CC6CF

accent

#D6E93F

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A05

muted

#857C7A

Preview Lab

Preview with #C63A29

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →